[midPoint-git] [Evolveum/midpoint] 2e37e4: Rework associations handling in ExpressionUtil

[mederly]

  Branch: refs/heads/master
  Home:   https://github.com/Evolveum/midpoint
  Commit: 2e37e4e6350997fc1aa5f0b5a3fefe56453d4a4d
      https://github.com/Evolveum/midpoint/commit/2e37e4e6350997fc1aa5f0b5a3fefe56453d4a4d
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2019-09-12 (Thu, 12 Sep 2019)

  Changed paths:
    M gui/admin-gui/src/main/java/com/evolveum/midpoint/web/component/assignment/ConstructionAssociationPanel.java
    M gui/admin-gui/src/main/java/com/evolveum/midpoint/web/util/ExpressionUtil.java

  Log Message:
  -----------
  Rework associations handling in ExpressionUtil

Previous implementation was based on low-level XNode manipulation.
The new one is doing the same using schema-level objects
(ShadowAssociationType).

Related to previous fix for MID-5282.

To be tested.